<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>姓名案例_methods实现</title>
    <script src="../../JS/vue.js"></script>
  </head>
  <body>
    <div id="root">
      姓:<input type="text" v-model="firstName" /> <br />
      名:<input type="text" v-model="lastName" /> <br />
      全名:<span>{{fullName()}}</span>
    </div>
    <script>
      Vue.config.productionTip = false //阻止 vue 在启动时产生提示
      const vm = new Vue({
        el: '#root',
        data: {
          firstName: '小',
          lastName: '莫',
        },
        methods: {
          fullName() {
            return `${this.firstName} - ${this.lastName}`
          },
        },
      })
    </script>
  </body>
</html>
